Public bug reported:
I upgraded my laptop to Ubuntu 26.04 and my hdmi monitor does not work.
I tried both drivers 595 and 580.
Tried with kernels 7 and 6
6.17.0-23-generic
Set on nvidia on prime . And whatever tricks LLMs could provide.
The monitor is black when HDMI connected nothing else.
It worked on 24.10 and works on Desktop with Mint
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: nvidia-driver-595 595.58.03-0ubuntu2
ProcVersionSignature: Ubuntu 6.17.0-23.23-generic 6.17.13
Uname: Linux 6.17.0-23-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Wed May 13 10:48:16 2026
InstallationDate: Installed on 2019-03-12 (2619 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
SourcePackage: nvidia-graphics-drivers-595
UpgradeStatus: Upgraded to resolute on 2026-05-12 (1 days ago)
** Affects: nvidia-graphics-drivers-595 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute third-party-packages wayland-session
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https://bugs.launchpad.net/bugs/2152376
Title:
External HDMI minotor does not work on 26.04
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